Home / 185,810.46-278,621.37-79,153.20

Finding the Fourth Proportional to 185,810.46, 278,621.37 and 79,153.20

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Solution

The fourth proportional to 185,810.46, 278,621.37 and 79,153.20 is: 118,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,810.46 : 278,621.37 = 79,153.20 : x
  2. Step 2: Convert to fraction form
    185,810.46/278,621.37 = 79,153.20/x
  3. Step 3: Cross multiply
    185,810.46x = 278,621.37 × 79,153.20
  4. Step 4: Simplify right side
    185,810.46x = 22,053,773,023.88
  5. Step 5: Solve for x
    x = 22,053,773,023.88/185,810.46
  6. Step 6: Final answer
    x = 118,689.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.